private void makeShapeComplete()

in graphLayout/jetbrains.mps.graphLayout.orthogonalLayout/source_gen/jetbrains/mps/graphLayout/flowOrthogonalLayout/ConstraintsGraph.java [95:159]
65 lines of code
17 McCabe index (conditional complexity)

  private void makeShapeComplete(Face face) {
    List<Node> segments = ListSequence.fromList(new LinkedList<Node>());
    List<Direction2D> directions = ListSequence.fromList(new LinkedList<Direction2D>());
    List<Integer> rotations = ListSequence.fromList(new LinkedList<Integer>());
    Node prevSeg = null;
    for (Dart dart : ListSequence.fromList(face.getDarts())) {
      Direction2D dir = MapSequence.fromMap(myDirections).get(dart);
      Node source = dart.getSource();
      Node seg;
      if (dir.isHorizontal()) {
        seg = MapSequence.fromMap(myHorNodeMap).get(source);
      } else {
        seg = MapSequence.fromMap(myVerNodeMap).get(source);
      }
      if (seg != prevSeg) {
        if (prevSeg != null) {
          ListSequence.fromList(rotations).addElement(ListSequence.fromList(directions).last().getTurn(dir));
        }
        ListSequence.fromList(segments).addElement(seg);
        ListSequence.fromList(directions).addElement(dir);
      }
      prevSeg = seg;
    }
    if (prevSeg != ListSequence.fromList(segments).first()) {
      ListSequence.fromList(rotations).addElement(ListSequence.fromList(directions).last().getTurn(ListSequence.fromList(directions).first()));
    } else {
      ListSequence.fromList(directions).removeLastElement();
      ListSequence.fromList(segments).removeLastElement();
    }
    if (ConstraintsGraph.SHOW_INFO > 0) {
      System.out.println(face);
      for (int i = 0; i < ListSequence.fromList(segments).count(); i++) {
        System.out.println(ListSequence.fromList(segments).getElement(i) + " dir = " + ListSequence.fromList(directions).getElement(i) + " rot = " + ListSequence.fromList(rotations).getElement(i));
      }
    }
    int numShifts = 0;
    while (ListSequence.fromList(segments).count() > 4) {
      if ((int) ListSequence.fromList(rotations).getElement(0) == -1 && (int) ListSequence.fromList(rotations).getElement(1) == 1 && (int) ListSequence.fromList(rotations).getElement(2) == 1) {
        connectPattern(segments, directions);
        for (int i = 0; i < 2; i++) {
          ListSequence.fromList(segments).removeElementAt(1);
          ListSequence.fromList(rotations).removeElementAt(1);
          ListSequence.fromList(directions).removeElementAt(1);
        }
        ListSequence.fromList(rotations).setElement(0, 1);
        numShifts = 0;
      } else {
        ListSequence.fromList(segments).insertElement(0, ListSequence.fromList(segments).removeLastElement());
        ListSequence.fromList(rotations).insertElement(0, ListSequence.fromList(rotations).removeLastElement());
        ListSequence.fromList(directions).insertElement(0, ListSequence.fromList(directions).removeLastElement());
        numShifts++;
        if (numShifts > 2 * ListSequence.fromList(segments).count()) {
          throw new RuntimeException("error in segments");
        }
      }
    }
    if (ConstraintsGraph.DEBUG > 0) {
      for (int rotation : rotations) {
        if (rotation != 1) {
          throw new RuntimeException("bad face completion result!");
        }
      }
    }
    connectPattern(segments, directions);
  }